isoenzyme/iesohʹenziem/ noun

• thing
• thingamabob
• thingamajig
• thingie
• thingumajig
• thingummy
• think
• think better of
• think big
• thinking
• think much of
• think nothing of
• think nothing of it
• think on one's feet
• think out
• think out of/outside the box
• think over
• think tank
• think the world of
• think through
• think twice
• think up
• thin-layer chromatography
• thinner
• thin-skinned